Overview
Pulehu Switching Station is an operational substation in Hawaii, United States, operated by Maui Electric Company. It operates at 69 kV, serving the local grid on Maui.
Pulehu Switching Station is a substation located on the island of Maui, Hawaii, United States. Operated by Maui Electric Company, the facility is part of the island's electrical infrastructure, managing power distribution at a voltage level of 69 kV. This voltage level is typical for sub-transmission and distribution substations, connecting local grids to the broader network. As a substation in Hawaii, Pulehu Switching Station operates under the regulatory framework of the U.S. Federal Energy Regulatory Commission (FERC) and adheres to North American Electric Reliability Corporation (NERC) reliability standards. The facility's equipment likely includes switchgear and transformers designed for island grid stability, with considerations for the unique challenges of an isolated power system. The substation plays a critical role in maintaining reliable electricity supply to communities in the Pulehu area and surrounding regions on Maui. Its operation supports the integration of renewable energy sources, such as wind and solar, which are increasingly important in Hawaii's transition to clean energy. The facility's strategic location contributes to grid resilience and energy security for the island.
Environmental context
Located on the island of Maui, the substation operates in a tropical climate with exposure to high humidity and occasional severe weather, including hurricanes. The facility's design must account for corrosion resistance and storm resilience. The surrounding area includes agricultural lands and residential communities, requiring careful management of electromagnetic fields and noise. The substation supports the integration of renewable energy, aligning with Hawaii's goal of 100% renewable electricity by 2045.
Frequently asked questions
Pulehu Switching Station is located on the island of Maui, Hawaii, United States, near the Pulehu area.
Pulehu Switching Station operates at a voltage of 69 kV, which is typical for sub-transmission and distribution substations.
Pulehu Switching Station is operated by Maui Electric Company, the primary electric utility on the island of Maui.
Substations in the United States must comply with NERC reliability standards for grid stability and FERC regulations for interstate transmission. Equipment often follows IEEE and ISO/IEC 61850 standards for automation.
The substation helps integrate renewable energy sources like solar and wind into the Maui grid, supporting Hawaii's target of 100% renewable electricity by 2045.